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Products
Portable water quality tester
Laboratory benchtop water quality analyzer
On-line water quality monitoring equipment
Reagent consumables
Application
Boiler water
Recirculating cooling water
Drinking water/tap water
Secondary drinking water supply plant
Farmland irrigation water
Sewage/waste water
Surface water(Rivers and Lakes, etc.)
Aquaculture water
pool water
News&Case
Company News
Industry information
Case
Services
After-sale
FAQ
Data download
About
Company Profile
Qualification Patents
History
Cooperative Clients
Contact
Contact
Message
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25
2024.01
What is the purpose of industrial boiler water supply test?
In China's industrial boiler is widely used in chemical industry, food, brewing, heating, paper making, printing and dyeing, rubber and other industries. So, what is the purpose of these industrial boiler water supply testing?
2024.01.25
09
2025.12
Is It Okay to Drink Tap Water With Chlorine? A Complete Guide for Safe Water Quality
This article explains everything you need to know about chlorine in drinking water, its potential risks, safe concentration ranges, and how advanced testing tools like the ERUN-SP9 portable multi-parameter water quality tester can support accurate and reliable water quality assessment.
2025.12.09
09
2025.12
What Is the Normal Range for Residual Chlorine? A Complete Guide for Water Quality Monitoring
This article explains what residual chlorine is, why its range matters, how different standards define “normal,” common problems caused by abnormal levels, and how modern tools—such as the ERUN-SP9 Portable Multi-Parameter Water Quality Tester—help achieve accurate and reliable monitoring.
2025.12.09
08
2025.12
Why Is Turbidity Important in Water Quality? A Practical Guide for Accurate Monitoring
In this article, we break down everything you need to know—from its causes and risks to how turbidity is measured and why reliable instruments such as the ERUN-SP7 Portable Multi-Parameter Water Quality Detector have become essential for precise testing.
2025.12.08
08
2025.12
Is Low Turbidity Good or Bad? A Complete Guide for Water Quality Monitoring
This article explains what turbidity really means, how it affects different water applications, and why maintaining the right level is essential. We also introduce a reliable solution for low-range turbidity monitoring: the ERUN Online Low-Range Turbidity Monitor, designed for precise, real-time water quality control.
2025.12.08
05
2025.12
Aquaculture Waste Water Testing: A Complete Guide for Better Water Quality Management
In this guide, we break down what you need to test, why it matters, and how advanced tools like the ERUN-SP7 portable multi-parameter water quality detector help simplify the process.
2025.12.05
05
2025.12
What Is TSS in Water Quality? Understanding Its Impact and How to Measure It
In this guide, we break down what TSS is, why it matters, how it’s measured, and how tools like the ERUN-SP6-8 Portable Multi-Parameter Water Quality Analyzer can help you measure TSS more accurately and efficiently.
2025.12.05
04
2025.12
What Is a Good Dissolved Oxygen Level in Water?
Dissolved oxygen (DO) is one of the most critical indicators of water quality. It plays a vital role in maintaining healthy aquatic ecosystems, ensuring safe drinking water, and supporting industrial water processes.
2025.12.04
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